Led industrial and mining lamps generally need to reach IP?
Indoor IP20, outdoor IP65, gas station, riot control.IP54 can be waterproof, but it can not be soaked in water for a long time
Look at what occasions, poor circumstances, it is best to reach IP65, general occasions IP54 enough
Generally IP40, dust-proof, a little better on the IP54 can be waterproof, but not long-term bubble in the water